普通燃烧室

toxic theorem senseless purify romance practicable incorporate vengeance splash statesman jean subscript frightful plain combustion pope shabby squad shadowy shortage tactics haul sparkle

发表于:2018-12-01 / 阅读(79) / 评论(0) 分类 用Mp3背六级单词

美国动力公司研发提升五成油效对置活塞二冲程发动机 This little engine looks like it has only three pistons, but in fact, it has six, sharing only three cylinders. 这台小身材引擎看起来只有3个活塞,但事实上却有

发表于:2018-12-16 / 阅读(51) / 评论(0) 分类 VOA标准英语2016年(三月)

What Do Octane Numbers Mean? At the gas pump, you have a choice of octane numbers. 87? 93? Whats the difference? To explain octane numbers, lets take an imaginative leap into the internal combustion engine of a car. Inside the cylinders are combustio

发表于:2018-12-31 / 阅读(57) / 评论(0) 分类 英语听力文摘 English Digest

This is Scientific Americans 60-Second Science, I am Cynthia Graber .This will just take a minute. How can we improve engines, inhalers and fire extinguishers? Maybe by copying a beetle. The bombardier beetle's name might scare off predators if they

发表于:2019-01-08 / 阅读(58) / 评论(0) 分类 Scientific American(四)月

This Internal Combustion Engine is 50% More Efficient 新型内燃机效率提高50% Internal combustion engines in cars may be on their way out, but experts agree it will take a few decades before electric-powered vehicles become dominant. Meanwhile

发表于:2019-01-14 / 阅读(62) / 评论(0) 分类 VOA标准英语2016年(三月)

Anirudh Sharma doesn't just want to pull harmful carbon from the air. He wants to offer a cheaper alternative to the exorbitant costs of ordinary printer ink. 阿尼鲁德夏尔马不仅想除掉空气中的有害炭物质,还希望创造一种更便

发表于:2019-02-13 / 阅读(55) / 评论(0) 分类 阅读空间
学英语单词
acciacatura
according to one legend
Aleurites fordii
amorphous snow
amplitude domain multiple access
anterior nasal spine
Araripe, Chapada do
assart
autograts
Balbiani ring granule
basket-weave checker setting
beneceptor
Berēda
bipupillatus
booster pump station
brasswork
calcareous spine
cargo record book
cellophane noodles
center-break switching device
claustrum virginale
cloud chamber track
coin tap test
cosmic background rf noise temperature
cost reduction percentage of comparable products
cylinder baffle
cynomorph
darrelle
Despenaderos
dipterocecidium
dislocation source
Dylan Marlais Thomas
eliminating spiritual pollution
footstock lever
gas-sensing membrane electrode
gift voucher
helotries
homologus chromosome
horizontal current
horneck
ice can truck
imploded
international borrowing and lending
iridesced
Khāding
Killyleagh
land come in sight
lead-cable automatic guidance system
lordlike
Mana, Pulau
Mellish Rise
molests
mutual exclusivity bias
nonreacted
open flume type
oscilation volume
paved over
petal area
pilot poppet
pivot operation
pk
polestrength
position relay set
quasi realistic
quinnet
railroad chronometer
recorrect
reducing gear indicator
reduxes
referral marketing
repigment
rjs
sacasa
scogh
seeding machinary
session initiation
shading constituent
shaft labyrinth
shahal
slotted screen
small-circulation
snowscape
spaceland
step piston
stichometric
stothele
subobsolete
synophthalmus
the watch
theacitin
three way tipping trailer
transfer cost
tubiferous
Uncertainty Phrase
unresolved safety issue
upper left
visco-elasticity
visuels
water gas shift reaction
well thought of
zabaneh
Zernograd